Wichita eagle. [volume] (Wichita, Kan.) 1886-1890, 1887-09-28
THE SEPARATE SYSTEM
To be Recommended by Rose
water & Christie.
Sewerage Plans Complete d-Ei2 hty
FIVE Miles Of Pipe-AVera2e
Cost Between $500 and
$4,000 per Mile.

night aJtenOlnS u SpeCldi uiSetiiS VI VIC City
council there for the purpose of submitting
proposition for finding asystem Of sewerage
| for that town. He is ey pected to arrive to-
day and probably both members of the firm
will attend council meeting tonight and il
the railroading don't consume the night the
plans and specifications Of a sewerage system
for this city, as completed by Rosewater &
| Christie, will be introduced to the council
for inspection
| It will be remembered that some
months ago the city council contracted
with Rosewater g. Christie for some plans
for $4,000. They promised to have them
completed by the last o. this month. Soon
after the contract was made number of
engineers took the topography OF the city and
other engineers have also been in the city
taking notes on the subject.
| From the data secured system has been
decided upon called the ''special system.
The territory to be severed includes al be
tween Harry street on the south, Carey on
the north, the Arkansas river on the west
and Hydraulic avenue on the east. The
block is about three and one half miles north
| and south and ear two miles east and west.
From the elevations taken it is shown that
from the east and west there is gradual in-
cline to Washington avenue and a fall from
the north 10 the south. AS result the sys
TEN that viii be submitted to the council
calls for leading sewer from north to south
on Washington avenue extending to the
Arkansas river. The main at the north enc
will be fifteen inches in diameter and will In
crease in diameter from two to three inche:
for each half mile, making it sou h of Harry
| street about thirty inches in diameter
The fall secured is four feet per mile and
is ten feet under ground at the south
and early twelve feet under the surface al
the north end. The south end OF the main
| will be on level with high-water mark. but
so extended as to discharge in flow ing water
always.
From the east and west viii be sub-mains
emptying into the central main. The sub
mains will be fifteen inches in diameter, and
will gradually approach the surface as ex-
tending from the central main, giving it a
fall greater than the surface itself By SC
doing at the east and west ends they will be
about six feet below the surface, going about
four feet from the position of the CEN
trail main. These sub-mains will be
half mile apart, and extending to Hydraulic
avenue on theeast, and to the property abut-
ting the river on the wet Where the
mains go east of Chisholm on the east it is
thought best not to allow drainage into the
creek, but continue the pipe to the central
main.
DischargiDg into the sub-majns are the
laterals running from the north to the south.
They are recommended to be placed in the
alleys, and will be of course near one half
mile in length. The laterals are eight inches
in diameter, and also approach the surface as
they extend from the sub-mains The later
ais have a fall of one foot in 400 feet, which
gives a velocity Of two feet per second That
velocity is sufficient to prevent sedementa-
ton and makes it reasonably certain that the
pipes will not fill up. While the fall in the
central main is only four feet to the mile, the
velocity in it is much greater, owing to the
fact that the main is larger and greater
body Of water will be present.
The entire system is supplied with man
holes at each street of lateral and sub mair
and the central main where it is Joined by
the sub-mains. The man holes are supplied
with. perforated covers, giving ventilation t.
the entire system.
At the upper end Of each lateral will BIZ
an automatic flush tank. They are made e
, fill and discharge automatically for the pur
pose of filling the pipes. The normal flow il
laterals will be two or three inches deep
The leading main will be supplied with flush
! ing gates, which cause the main to be stopped
up automatically and remain SO until nearl,
full, and then suddenly thrown open causing
the lower section to be flushed. There vii
be about three flush gates on the leadinj
sewer
This system gives sewerage capacity for
population of 10000 in tn
district taken in. If the popula
ton exceeds that a parallel main cal
be put down. The sub mains and lateral
have a capacity for population of 100000
The capacity Of the laterals was increased b,
placing the sub-mains only one-half mil
ap art instead OF twice that distance.
The entire system covers over seven squar
miles and calls for eighty-fve miles of sewe
pipe. The average cost for each mile is be
tween IS, 500 and $4,000. The pipes recon-
, mended are all vitrifed, salt glazed cla'
pipe which costs when in the groued from l
cents per foot to s. so per foot 1t i
pronounced much better than iro
as it does not rust snd is perfectly imper
vious, not leaking IN or leaking out and is O
su fficient strength to stand all pressure; an
it is claimed will last until Gabriel toots O.
his e-aat The system recommended don
care for storm water. Its pronounced NJ
water in system carin2 for undergroun
n sewerage. a system providing for bot
would cost six times as much as the pla
recommended.
In talking With Mr.. Christi,
from whom the data VT
y gained he stated that the pipe now bein
{ lsyed on Topeka avenue would care for sEorl
water from part OF the city. BE said theI
was not fall enough in it 10 serve as centr,
:, main mgr wss it in the right place for a lea,
ing main for the district named 1t woul
serve however as storm water carrier
4 The sewerage would be paid for by tax
> on property benefited The equalizatic
committee of the council could determir
ben Ats II this city Mr. Christie though
81 there would be no trouble about decidir
= on taxes as IL was not hard 70 detarr,,i,